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[SGSN] SM: Properly parse APN and PCO Optional IE in PDP CTX ACT REQ

This commit is contained in:
Harald Welte 2010-07-02 22:52:04 +02:00
parent c5d4a0ced1
commit 23c13760ca
1 changed files with 8 additions and 2 deletions
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openbsc/src/gprs/gprs_gmm.c
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@ -1103,16 +1103,22 @@ static int gsm48_rx_gsm_act_pdp_req(struct sgsn_mm_ctx *mmctx,
struct sgsn_ggsn_ctx *ggsn;
struct sgsn_pdp_ctx *pdp;
memset(&tp, 0, sizeof(tp));
DEBUGP(DMM, "-> ACTIVATE PDP CONTEXT REQ: SAPI=%u NSAPI=%u ",
act_req->req_llc_sapi, act_req->req_nsapi);
/* FIXME: length checks! */
req_qos_len = act_req->data[0];
req_qos = act_req->data + 1; /* 10.5.6.5 */
req_pdpa_len = act_req->data[1 + req_qos_len];
req_pdpa = act_req->data + 1 + req_qos_len + 1; /* 10.5.6.4 */
/* Optional: Access Point Name, Protocol Config Options */
if (req_pdpa + req_pdpa_len < msg->data + msg->len)
tlv_parse(&tp, &gsm48_sm_att_tlvdef, req_pdpa + req_pdpa_len,
(msg->data + msg->len) - (req_pdpa + req_pdpa_len), 0, 0);
else
memset(&tp, 0, sizeof(tp));
switch (req_pdpa[0] & 0xf) {
case 0x0:
DEBUGPC(DMM, "ETSI ");